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ORAL 03 - New Kinase Targets (ID 89)
- Event: WCLC 2015
- Type: Oral Session
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:F. Blackhall, R. Juergens
- Coordinates: 9/07/2015, 10:45 - 12:15, Mile High Ballroom 4a-4f
ORAL03.01 - Anlotinib as 3rd-Line Treatment for Refractory Advanced NSCLC: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 2 Trial (ID 2570)
10:45 - 12:15 | Author(s): Y. Zhao
Anlotinib is a multi-target RTK inhibitor, especially on VEGFR2/3, EGFR, c-Kit, PDGF, FDFR, c-MET, with highly selective inhibition effect. This phase II study was to investigate efficacy and safety of anlotinib in refractory NSCLC patients
Patients ≥18 years with metastatic or recurrent advanced NSCLC and ECOG status of 0–1 were randomized 1:1 to receive Anlotinib or placebo (Anlotinib 12mg/day, po, day 1-14 each 3-week) until progression, unacceptable toxicity, withdrawal or death. Patients had received first and second line treatment for advanced NSCLC. Patients were stratified by gender, smoking status and age. We used RECIST (version 1.1) criteria to assess response and progression. Primary endpoint was PFS in ITT population; secondary endpoints included ORR, OS, biomarkers and safety.
From Aug. 2013 to May 2014, we enrolled 117 patients from 13 centers, including 60 patients to anlotinib arm and 57 patients to placebo. Baseline characteristics were similar in both treatment groups. PFS was prolonged with anlotinib 4.83 month vs placebo 1.23 months (HR 0.32, 95% CI 0.20–0.51, p<0.0001). ORR was improved with addition of anlotinib: 10% vs 0% with placebo (p<0.027).DCR was 83.3% with anlotinib vs 31.5% with placebo (p<0.0001). mOS was prolonged with Anlotinib 10.33 months vs placebo 6.3 months. (HR, 0.656; 95% CI, 0.411 to 1.048; P = 0.0776; Cutoff date: April 12, 2015. This mOS is an estimated data, OS events for both arms still not reach 75%). OS rate of >12 months is 22.8% in placebo arm and 38.3% in anlotinib arm. AEs occurred more frequently with anlotinib than placebo; the most common AEs of any grade were hypertension (53.33%), increased TSH (36.67%), hand foot syndrome (28.33%), increased TG (26.67%), increased TC (25%), cough (21.67%), diarrhea (21.67%), increased LDL (16.67%), hemoptysis (16.67%) oral mucositis (13.33%), and sore throat (13.33%). Grade III/IV treatment-related AEs increased 16.4% in anlotinib group (anlotinib: 21.6% , placebo: 5.3%, p=0.0140).
This study confirms that anlotinib to third-line platinum-based chemotherapy appears to provide significant PFS benefits in Chinese patients with refractory advanced NSCLC compared with placebo. No serious safety concerns were reported in the study.
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